Add 1 cup meat sauce to a crock-pot. After that, top with layers of lasagna noodles and the cheese mixture, then cover with 2 cups meat sauce. Take remaining lasagna noodles and break them if they don’t fit. Top with broken lasagna noodles, sauce, and cheese mixture. Cover the crock-pot.

Adjust heat to low and cook for about four hours. Add remaining cheeses and let them melt.